请大家帮忙解两个MS谱.急用,谢谢? 你做的是大气压化学电离ms,两个化合物都是diosgenin的衍生物,请参考 [pdf] nano-electrospray tandem mass spectrometry for the analysis of ... file format: pdf/adobe acrobat ... have used lc/ apci - ms in. the sim mode for the quantification of steroid sulphates in ... plant steroid diosgenin (fig. 5), has little effect on ... 查看更多